• HM DIGITAL AP-1 AQUA PRO TDS / TEMP ATC TESTER (1)
• HM Digital
• Code: 70252

• Retail price $33.95

• Availability: IN STOCK

• HM DIGITAL COM-300 WATERPROOF PRO PH / EC / TDS / TEMP COMBO METER
• HM Digital
• Code: 70254

• Retail price $231.50

• Availability: IN STOCK

• HM DIGITAL COM-80S HYDROTESTER TDS / EC / TEMP METER (1)
• HM Digital
• Code: 70255

• Retail price $51.60

• Availability: IN STOCK

• HM DIGITAL PH-200 WATERPROOF PRO PH / TEMP METER (1)
• HM Digital
• Code: 70256

• Retail price $124.49

• Availability: IN STOCK

• HM DIGITAL PH-80S HYDROTESTER PH / TEMP METER (1)
• HM Digital
• Code: 70250

• Retail price $61.25

• Availability: IN STOCK

• HM DIGITAL TDS-3 TDS / TEMP METER (1)
• HM Digital
• Code: 70251

• Retail price $19.99

• Availability: IN STOCK

• HM ORP-200 ORP / TEMP METER WATERPROOF (1)
• HM Digital
• Code: 70262

• Retail price $102.95

• Availability: IN STOCK

• HM PH STORAGE SOLUTION 60CC (1)
• HM Digital
• Code: 70264

• Retail price $10.85

• Availability: IN STOCK

• HM SP-C1 REPLACEMENT SENSOR COM-100 (1)
• HM Digital
• Code: 70267

• Retail price $44.50

• Availability: IN STOCK

• HM SP-C5 TDS / EC REPLACEMENT SENSOR PROBE FOR HM-500 (1
• HM Digital
• Code: 70265

• Retail price $61.95

• Availability: IN STOCK

• HM SP-P2 REPLACEMENT PH SENSOR FOR PH-200 / COM-360 (1)
• HM Digital
• Code: 70257

• Retail price $57.50

• Availability: IN STOCK

• HM SP-P5 PH SENSOR PROBE FOR HM-500 (1)
• HM Digital
• Code: 70266

• Retail price $78.35

• Availability: IN STOCK

• HM TDS 1000 PPM CAL SOLUTION 20 PK OF 20ML (1)
• HM Digital
• Code: 70268

• Retail price $27.50

• Availability: IN STOCK